1,3-Benzenediol, 2-((3-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)-2-hydroxypropyl)(1-methylpropyl)amino)- 8-((3-(N-sec-butyl-N-(2,6-dihydroxybenzyl)amino)-2-hydroxypropyl)oxy)thiochroman CZ8937647